ATENA10 Networks, Inc.

$29.62+64% 1Y

Who owns ATEN

306 institutions reported holding ATEN for 2026Q2, together 105% of the company, more than the 259 a quarter earlier.

306

Institutions reporting a position · as of 2026Q2 · up from 259 the quarter before

Shares held by institutions
76.2M

Shares held by institutions · 105% of the company · long US equity positions only, as reported on Form 13F

Reported value
$2.85B

Reported value · at Jun 30, 2026 prices, not today's

Top 5 holders
41%

Top 5 holders · of the whole company, between five filers

Details›
Reporting quarter2026-06-30
2026Q2
Quarters on record
50
New positions
76
Positions exited
31
Added to
80
Reduced
93
Top 10 holdersof the company
54%
Shares sold shortsettled Sep 15, 2026
9.7M
Short interestof shares outstanding
13%
Days to coverat the average daily volume
9.9
Change in the short positionsince the Aug 31, 2026 count
+8.6%
Institutional ownership by quarter, 2014Q1 to 2026Q2
QuarterFilersSharesReported value
2026Q230676.2M$2.85B
2026Q125972.2M$1.67B
2025Q423670.2M$1.24B
2025Q323470.1M$1.27B
2025Q222670.3M$1.36B
2025Q124870.3M$1.15B
2024Q421865.0M$1.20B
2024Q320665.3M$943M
2024Q221666.5M$921M
2024Q117867.6M$928M
2023Q418967.7M$891M
2023Q319065.3M$982M
2023Q219665.5M$953M
2023Q121663.5M$984M
2022Q422265.9M$1.10B
2022Q320065.2M$866M
Largest reported holders, 2026Q2
HolderShares% of companyValue
BlackRock Inc.13.6M19%$507M
VANGUARD GROUP INC7.2M9.8%$267M
FIRST TRUST ADVISORS LP3.2M4.5%$121M
STATE STREET CORP3.1M4.2%$115M
Penserra Capital Management LLC3.1M4.2%$115M
BTIM Corp.2.4M3.3%$90M
WELLINGTON MANAGEMENT GROUP LLP2.0M2.7%$73M
GEODE CAPITAL MANAGEMENT LLC1.8M2.5%$68M
GOLDMAN SACHS GROUP INC1.8M2.4%$67M
DIMENSIONAL FUND ADVISORS LP1.6M2.2%$60M
Short interest by settlement date, Aug 29, 2025 to Sep 15, 2026
SettlementShares shortOf shares outstandingDays to cover
Sep 15, 20269.7M13%9.9
Aug 31, 20268.9M12%6.3
Aug 14, 20267.5M10%5.3
Jul 31, 20267.6M10%5.6
Jul 15, 20266.8M9.4%6.1
Jun 30, 20267.2M9.8%4.6
Jun 15, 20266.1M8.4%5.0
May 29, 20266.2M8.6%6.8
May 15, 20266.9M9.5%7.5
Apr 30, 20266.0M8.2%4.4
Apr 15, 20265.4M7.5%6.6
Mar 31, 20265.2M7.1%3.3

SEC Form 13F data sets (DERA bulk files). 13F is quarterly, filed up to 45 days late, and covers long US equity positions only, no shorts, no derivatives, nothing held below the reporting threshold. The short position is FINRA's consolidated count for each twice-monthly settlement date, as a share of shares outstanding.

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